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10012118227 = 17588948131
BaseRepresentation
bin10010101001100010…
…01100110011010011
3221211202120022012121
421110301030303103
5131001100240402
64333254235111
7503052413026
oct112461146323
927752508177
1010012118227
114278641681
121b35055a97
13c37371217
146ad9d91bd
153d8ea3837
hex254c4ccd3

10012118227 has 4 divisors (see below), whose sum is σ = 10601066376. Its totient is φ = 9423170080.

The previous prime is 10012118209. The next prime is 10012118231. The reversal of 10012118227 is 72281121001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72281121001 = 141773509837.

It is a cyclic number.

It is not a de Polignac number, because 10012118227 - 27 = 10012118099 is a prime.

It is a super-2 number, since 2×100121182272 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10012118327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294474049 + ... + 294474082.

It is an arithmetic number, because the mean of its divisors is an integer number (2650266594).

Almost surely, 210012118227 is an apocalyptic number.

10012118227 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

10012118227 is a deficient number, since it is larger than the sum of its proper divisors (588948149).

10012118227 is an equidigital number, since it uses as much as digits as its factorization.

10012118227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588948148.

The product of its (nonzero) digits is 448, while the sum is 25.

Adding to 10012118227 its reverse (72281121001), we get a palindrome (82293239228).

The spelling of 10012118227 in words is "ten billion, twelve million, one hundred eighteen thousand, two hundred twenty-seven".

Divisors: 1 17 588948131 10012118227